CN105034743B - Semi-independent automobile rear suspension - Google Patents
Semi-independent automobile rear suspension Download PDFInfo
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- CN105034743B CN105034743B CN201510542841.XA CN201510542841A CN105034743B CN 105034743 B CN105034743 B CN 105034743B CN 201510542841 A CN201510542841 A CN 201510542841A CN 105034743 B CN105034743 B CN 105034743B
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- trailing arm
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- bearing
- rear suspension
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Abstract
The invention provides a kind of semi-independent automobile rear suspension, belong to technical field of vehicle.Semi-independent automobile rear suspension includes：Left trailing arm, right trailing arm, crossbeam and active connection, the both ends of the crossbeam are flexibly connected by an active connection with the left trailing arm, the right trailing arm respectively.Because left trailing arm, right trailing arm and crossbeam are by the way of being flexibly connected, it can then be moved to a certain extent relatively independently between the towing arm of both sides, so that in vehicle traveling process, the deformation degree of crossbeam reduces, crossbeam is solely subjected to the active force along crossbeam axial direction, the overall richer toughness of suspension, is improved adaptability of the suspension for complex road surface, is greatly improved using the vehicle level of comfort of the automobile of the semi-independent automobile rear suspension.
Description
Technical field
The present invention relates to technical field of vehicle, in particular to a kind of semi-independent automobile rear suspension.
Background technology
With expanding economy, the progress of society, automobile has turned into the indispensable vehicle of each family.With automobile
Gradually popularization, comfortableness requirement of the consumer for automobile also improve constantly.The key factor for influenceing car comfort is automobile
Rear suspension system, in order to improve the comfortableness of automobile, automobile rear suspension needs constantly improvement upgrading, to meet consumer increasingly
The car comfort demand of lifting.
At present, common rear overhang hangs with multi link independent suspension and semi-independent trailing arm type hangs two kinds of forms.Its
In, semi-independent towing arm suspension type is because its cost is cheap, simple in construction, the reason such as occupy little space, and by numerous automobile factorys
Business uses.Due to being fixedly connected with mode using what is be welded between the left and right towing arm of suspension and horizontal torsion beam, indulge
Mode is fixedly connected with using what is be welded between towing arm and horizontal torsion beam, it is horizontal when towing arm moves up and down with wheel
To torsion beam can limit towing arm swing up and down scope and therefore torsion beam can also deform upon in itself, while the towing of side
The towing arm that arm athletic meeting has influence on opposite side along torsion beam is moved so that the suspension frame structure of the form can not be filtered effectively
The automotive wheel vibration that harsher surface conditions are brought, so that car comfort is had a greatly reduced quality.
The content of the invention
It is an object of the invention to provide a kind of semi-independent automobile rear suspension, improves rear overhang and hangs over reply complex road condition
When degree of flexibility, improve suspension adapt to complex road surface ability.
What the present invention was realized in：
A kind of semi-independent automobile rear suspension, including：Left trailing arm, right trailing arm, crossbeam and active connection, the horizontal stroke
The both ends of beam are flexibly connected by an active connection with the left trailing arm, the right trailing arm respectively.
Preferably, the active connection includes left universal joint and right universal joint, and one end of the crossbeam passes through the left side
Universal joint is connected with the left trailing arm, and the other end of the crossbeam is connected by the right universal joint with the right trailing arm.
The use of universal joint, realize that the wide-angle between left trailing arm, right trailing arm and crossbeam is flexibly connected.
Preferably, the active connection includes left bulb bearing, the left axle bearing sleeve matched with the left bulb bearing, the right side
Bulb bearing and the right axle bearing sleeve matched with the right bulb bearing, the left bearing set are embedded at the left trailing arm, institute
State left bulb bearing to be connected with the left axle bearing sleeve, the right bearing set is embedded at the right trailing arm, the right bulb bearing
It is connected with the right axle bearing sleeve.Bulb bearing it is relative with the connected mode of bearing holder (housing, cover) it is simpler, using easier, be easy to tie up
Shield.
Preferably, in addition to：The sway bar of left connecting rod, right connecting rod and U-shaped structure, the sway bar include master
Bar, left branching rod and right pole, the both ends of the mobile jib respectively with stating left branching rod, right pole is connected, the left connecting rod connection
Deviate from the side of the right trailing arm in the left trailing arm, the right connecting rod is connected to the right trailing arm and deviates from the left side
The side of trailing arm, the one end of the left branching rod away from the mobile jib are slidably connected with the left connecting rod, and the right pole is remote
One end from the mobile jib is slidably connected with the right connecting rod.
Because crossbeam is flexibly connected with left trailing arm, right trailing arm, then automobile in the process of moving crossbeam and left trailing arm,
Right trailing arm can move to a certain extent relatively independently.When motion amplitude is excessive, then the steady of automobile may be influenced whether
Fixed, in the case where the flatness of road is not high, jolting for automobile may be very big, so as to reduce the comfortableness of driving and riding car.
In view of the above-mentioned problems, left connecting rod, right connecting rod are individually fixed in left trailing arm, right trailing arm, left connecting rod, right chain link bar
Motion be consistent with trailing arm, then both are connected by sway bar, sway bar can cause left trailing arm and right dragging
Relative motion amplitude between arm and crossbeam is locked, left trailing arm and the Large Amplitude Motion quilt of right trailing arm and crossbeam
Eliminate, ensure that the safety in utilization and comfortableness of rear-mounted.
Preferably, the left branching rod, the right pole are serpentine configuration.Serpentine configuration has certain toughness, Ke Yicheng
By certain stretching and extruding force, flexible by itself offsets external forces, so as to improve the pressure-bearing of sway bar
Ability, avoid external forces excessive and damage sway bar.
Preferably, in addition to left wheel bearing and right wheel bearing, the left wheel bearing deviate from the left trailing arm
The side of the right trailing arm is fixedly connected, and the right wheel bearing deviates from the side of the left trailing arm with the right trailing arm
It is fixedly connected.The setting of left wheel bearing and right wheel bearing facilitates automobile to be connected vehicle with rear-mounted.
Preferably, the one end of the left trailing arm away from the left wheel bearing is provided with left connecting hole, the left dragging
Arm is connected by the left connecting hole with automobile frame, and the one end of the right trailing arm away from the right wheel bearing is provided with the right side
Connecting hole, the right trailing arm are connected by the right connecting hole with automobile frame.The setting of connecting hole is convenient to left trailing arm
It is connected with right trailing arm with automobile frame.
Preferably, the angle between the axis of the axis of the left connecting hole and the right connecting hole towards the crossbeam is big
In 90 °.There is certain angle, left trailing arm and right trailing arm and vapour between the axis of the axis of left connecting hole and right connecting hole
Contact even closer and abundant between vehicle carriage, the degree of being connected firmly is improved.The active force that automobile frame is born can be more
Rear-mounted is transferred to well, and row buffering and release are entered by the cooperation of left trailing arm, left trailing arm and crossbeam.
Preferably, in addition to：Left shock-absorbing cylinder and right shock-absorbing cylinder, one end of the left shock-absorbing cylinder and the left trailing arm towards
The side of the right trailing arm is fixedly connected, and the other end of the left shock-absorbing cylinder is connected with automobile frame, the right shock-absorbing cylinder one
End is fixedly connected with the side of the right trailing arm towards the left trailing arm, the other end and automobile frame of the right shock-absorbing cylinder
Connection.Left shock-absorbing cylinder, right shock-absorbing cylinder can shrink under external force, can be extended automatically after external force disappearance.In automobile
During jolting, left shock-absorbing cylinder and right shock-absorbing cylinder can play a supporting role to automobile frame.
Preferably, in addition to：Left cover for seat, the left damping spring matched with the left cover for seat, right cover for seat and with the right side
The right damping spring of cover for seat matching, the left cover for seat is interior to set cylindrical left seat groove, is set in the right cover for seat cylindrical
Right seat groove, the left cover for seat is fixedly connected with the side of the left trailing arm towards the right trailing arm, the left damping
Spring is movably set in the left seat groove, and the right cover for seat and the side of the right trailing arm towards the left trailing arm are consolidated
Fixed connection, the right damping spring are movably set in the right seat groove.Left damping spring, right damping spring play damping
Effect, when car body extrudes to automobile frame, damping spring is automatically supported between car body and vehicle frame, avoid it is violent jolt or
Collision between each component of automobile, reduce the significantly collision of each component.
Beneficial effects of the present invention：
The invention provides a kind of semi-independent automobile rear suspension, the trailing arm of automobile rear suspension and crossbeam are passed through into welding
Be fixedly connected mode be improved to by active connection connect mobilizing exercises connected mode.Activity connects between towing arm and crossbeam
Connecing so that angle of the towing arm of rear-mounted side in motion between crossbeam changes within the specific limits, similarly, opposite side
Towing arm and crossbeam between also change within the specific limits, so as to reduce crossbeam because towing arm motion and increased deformation journey
Degree, and then the overall degree of flexibility when tackling complex road condition of rear-mounted is improved, automobile is can adapt to various complex road surfaces.
Brief description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below by embodiment it is required use it is attached
Figure is briefly described, it will be appreciated that the following drawings illustrate only certain embodiments of the present invention, therefore be not construed as pair
The restriction of scope, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to this
A little accompanying drawings obtain other related accompanying drawings.
Fig. 1 is the structural representation of the first semi-independent automobile rear suspension provided in an embodiment of the present invention；
Fig. 2 is the front view of the first semi-independent automobile rear suspension provided in an embodiment of the present invention；
Fig. 3 is the left view of the first semi-independent automobile rear suspension provided in an embodiment of the present invention；
Fig. 4 is the top view of the first semi-independent automobile rear suspension provided in an embodiment of the present invention；
Fig. 5 is the crossbeam for being connected with bulb bearing in the first semi-independent automobile rear suspension provided in an embodiment of the present invention
Structural representation；
Fig. 6 is the structural representation of the right trailing arm in the first semi-independent automobile rear suspension provided in an embodiment of the present invention
Figure；
Fig. 7 is the structural representation of the sway bar in the first semi-independent automobile rear suspension provided in an embodiment of the present invention；
Fig. 8 plants the structural representation of semi-independent automobile rear suspension in being provided in an embodiment of the present invention second；
Fig. 9 plants the crossbeam of the right trailing arm matching in semi-independent automobile rear suspension in being provided in an embodiment of the present invention second
Structural representation；
Figure 10 plants the structural representation of the crossbeam in semi-independent automobile rear suspension in being provided in an embodiment of the present invention second.
Description of reference numerals
Crossbeam 101；Right trailing arm 102；Left trailing arm 103；Right connecting hole 201；Left connecting hole 202；Right side axle sleeve hole
203；Mobile jib 301；Right pole 402；Left branching rod 403；Right shock-absorbing cylinder 501；Left shock-absorbing cylinder 502；Right cover for seat 601；Left cover for seat 602；
Right wheel bearing 603；Left wheel bearing 604；Left damping spring 605；Right damping spring 606；Right connecting rod 701；Left connecting rod
702；Right side connecting plate 801, right side fixing hole 802；Limiting plate 803；Spacing hole 804；Left universal joint 805.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
Part of the embodiment of the present invention, rather than whole embodiments.The present invention implementation being generally described and illustrated herein in the accompanying drawings
The component of example can be configured to arrange and design with a variety of.Therefore, the reality of the invention to providing in the accompanying drawings below
The detailed description for applying example is not intended to limit the scope of claimed invention, but is merely representative of the selected implementation of the present invention
Example.Based on the embodiment in the present invention, what those of ordinary skill in the art were obtained under the premise of creative work is not made
Every other embodiment, belongs to the scope of protection of the invention.
It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined, then it further need not be defined and explained in subsequent accompanying drawing in individual accompanying drawing.
In the description of the invention, it is necessary to explanation, term " " center ", " on ", " under ", "left", "right", " vertical ",
The orientation or position relationship of the instruction such as " level ", " interior ", " outer " be based on orientation shown in the drawings or position relationship, or should
Invention product using when the orientation usually put or position relationship, be for only for ease of the description present invention and simplify description, without
It is instruction or implies that signified device or element there must be specific orientation, with specific azimuth configuration and operation, therefore not
It is understood that as limitation of the present invention.In addition, term " first ", " second ", " the 3rd " etc. are only used for distinguishing description, and can not manage
Solve to indicate or implying relative importance.
In the description of the invention, it is also necessary to explanation, unless otherwise clearly defined and limited, term " setting ",
" installation ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or one
Connect body；Can be mechanical connection or electrical connection；Can be joined directly together, can also be indirect by intermediary
It is connected, can is the connection of two element internals.For the ordinary skill in the art, on being understood with concrete condition
State the concrete meaning of term in the present invention.
Refering to Fig. 1 to Figure 10, a kind of semi-independent automobile rear suspension is present embodiments provided, it includes：Left trailing arm 103,
Right trailing arm 102, crossbeam 101 and active connection, the both ends of crossbeam 101 pass through an active connection and left dragging respectively
Arm 103, right trailing arm 102 are flexibly connected.
Because left trailing arm 103 and right trailing arm 102 are flexibly connected by active connection with crossbeam 101, then left support
Dragging arm and right trailing arm 102 can independently move with respect to crossbeam 101 to a certain extent.Fortune between the towing arm of the left and right sides
Dynamic interference substantially reduces, and the deformation degree of crossbeam 101 reduces.In vehicle traveling process, the motion of left towing arm will not excessively be done
The motion of right towing arm is disturbed, crossbeam 101 is not subjected to excessive deformation, is solely subjected to the stretching along the axis direction of crossbeam 101, extruding
Active force, itself need not serve as the effect of torque spring.By above-mentioned design, rear-mounted overall structure has higher tough
Property, rear-mounted can adaptively carry out pose adjustment under external force, so as to improve rear-mounted for complex road surface
Adaptability, jolt during running car small, significantly improved using the level of comfort of the automobile of the rear-mounted.
The movable connection method of left trailing arm 103, right trailing arm 102 and crossbeam 101 have it is a variety of, for example, active connection
Using universal joint, universal joint is also known as universal joint, is a kind of mechanism for the power transmission that can realize wide-angle variations, and it is used
It is a kind of multi-angle transmission device commonly used in various drive systems in the transmission parts for needing change transmission axis direction.Ten thousand
Allow the angle between connected part to change within the specific limits to section, power transmission can be met, adapt to steering and automobile
Angle change during operation caused by caused bob.Specifically, active connection includes left universal joint 805 and the right side ten thousand
Xiang Jie, one end of crossbeam 101 are connected by left universal joint 805 with left trailing arm 103, and the other end of crossbeam 101 passes through right universal
Section is connected with right trailing arm 102.Crossbeam can use solid cylinder, and set a cylinder recessed respectively vertically at its both ends
Groove, it is threaded in groove, is connected by screw thread with universal joint.
As a kind of implementation, universal joint can also use rzeppa joint, cross axle rigid universal joint etc., can be with
Selected according to actual conditions.Cross axle rigid universal joint mainly include sleeve, cross axle, propeller shaft yoke, snap ring bearing outer ring with
And sleeve fork, wherein, the sleeve of universal joint can be connected with trailing arm, and the sleeve fork of universal joint is connected with crossbeam, sleeve and sleeve
The rotation of fork drives the rotation of trailing arm and crossbeam.It is preferred that right trailing arm sets two right side connecting plates arranged in opposite directions
801, each right side connecting plate 801 sets a right side fixing hole 802, and right side fixing hole 802 is passed through by universal joint using bolt
Sleeve connection in right side connecting plate 801；Left trailing arm is also provided with two left side arranged in opposite directions connecting plates, and each left side connects
Plate sets a left side fixing hole, passes through left side fixing hole by the sleeve connection of universal joint in left side connecting plate using bolt.Phase
Ying Di, crossbeam are designed as cylindrical structural, and its one end sets two limiting plates 803, two limiting plates along the axially symmetric of crossbeam,
Each limiting plate is provided with a spacing hole 804；The other end of crossbeam is also provided with corresponding limiting plate and positioning hole, crossbeam and a left side
When trailing arm, the connection of right trailing arm, the connecting plate with trailing arm, the limiting plate of crossbeam are connected universal joint respectively, and crossbeam and a left side are dragged
The relative motion between arm, right trailing arm is dragged, is realized by universal joint.
As another implementation, active connection uses bearing arrangement, and specifically, active connection includes left bulb
Bearing, the left axle bearing sleeve matched with left bulb bearing, right bulb bearing and the right axle bearing sleeve matched with right bulb bearing, left axle
Bearing sleeve is embedded in the left side axle sleeve hole of left trailing arm 103, and left bulb bearing is connected with left axle bearing sleeve, and right bearing set is embedded at the right side
In the right side axle sleeve hole 203 of trailing arm 102, right bulb bearing is connected with right axle bearing sleeve.The structure of bulb bearing compares rolling bearing
Simply, oscillating motion, i.e. angular movement are generally used for, because slidingsurface is spheric, can also make to incline in the range of certain angle
Tiltedly motion.It is typically made up of the inner ring and one of spherical outside surface the outer ring of Internal Spherical Surface, and one end of bulb bearing is provided with
Stud, the other end of bulb bearing are provided with spherical；Bearing holder (housing, cover) forms clamper, and its one end is provided with the ball with bulb bearing
The spherical of shape face matching, bulb bearing and bearing holder (housing, cover) are arranged in same axis, the spherical of bulb bearing and the ball of bearing holder (housing, cover)
Shape face cooperates and rotated, so as to realize crossbeam and left trailing arm, the flexible connection of right trailing arm.
Because left trailing arm 103, right trailing arm 102 are flexibly connected with crossbeam 101, in order to control trailing arm and crossbeam 101
Between movable amplitude, prevent between the two activity too acutely and cause the stability of automobile to reduce, rear-mounted is provided with control
Mechanism processed is to improve the activity controllability between trailing arm and crossbeam 101.Specifically, control structure includes left connecting rod 702, the right side
The sway bar of connecting rod 701 and U-shaped structure.Wherein, sway bar includes mobile jib 301, left branching rod 403 and right pole 402, main
The both ends of bar 301 respectively with stating left branching rod 403, right pole 402 is connected.Left connecting rod 702 is connected to left trailing arm 103 away from the right side
The side of trailing arm 102, right connecting rod 701 are connected to the side that right trailing arm 102 deviates from left trailing arm 103, and left branching rod 403 is remote
One end from mobile jib 301 is slidably connected with left connecting rod 702, the one end of right pole 402 away from mobile jib 301 and right connecting rod 701
It is slidably connected.The both ends of connecting rod are utilized respectively bolt and are fixed on trailing arm, and the one end of left branching rod away from mobile jib sets a set
Hole is connect, left connecting rod is socketed in sleeve joint hole, so as to realize that left branching rod is slidably connected with left connecting rod；Similarly, right pole is remote
One end from mobile jib sets a sleeve joint hole, and right connecting rod is socketed in sleeve joint hole, so as to realize that right pole slides with right connecting rod
Dynamic connection.A sleeve pipe can also be welded and fixed on pole, connecting rod is connected through the pore of sleeve pipe with cannula slide.Due to a left side
Connecting rod utilizes bolt and left trailing arm；Right connecting rod is connected using bolt with right trailing arm, then left connecting rod, right connecting rod can
To dismantle or change when necessary.Preferably, left branching rod 403, right pole 402 are serpentine configuration.Serpentine configuration has one
Fixed adaptive ability, it can extend or shorten to a certain extent under external force effect, so as to the effect with damping, make to prevent
The bar that inclines can bear bigger active force, improve the service life of sway bar.On the other hand, serpentine configuration can save space,
It is convenient to the installation of vehicle other equipment and device.
Semi-independent automobile rear suspension is affixed to what automobile frame was used, semi-independent automobile rear suspension and automobile frame
The stable fixed use also to rear-mounted of connection play a positive role.For convenience in the fixation of semi-independent automobile rear suspension,
The left one end of trailing arm 103 away from left wheel bearing 604 is provided with left connecting hole 202, and right trailing arm 102 is away from right wheel bearing
603 one end is provided with right connecting hole 201, and left trailing arm is connected by left connecting hole with automobile frame, and right trailing arm passes through the right side
Connecting hole is connected with automobile frame.When needing to use semi-independent automobile rear suspension, it is fixed using bolt, bolt is passed through
Connecting hole, then be connected with automobile frame.Further, the axis of left connecting hole 202 intersect with the axis of right connecting hole 201 and
Two axial lines are more than 90 ° towards the angle that crossbeam 101 is formed.Left connecting hole 202 and right connecting hole 201 it is central axial not same
On straight line, then two connecting holes can carry out the position adjustment of adaptability according to the concrete structure of automobile frame, drag a left side
The contact dragged between arm, right trailing arm and automobile frame is closer, bolted more firm.Due to left connecting hole and right company
Connect and angle is formed between hole, when bolt fixes trailing arm and automobile frame, the stress of trailing arm is more balanced, makes left dragging
Arm 103, right trailing arm 102 can be moved more stably, avoid excessive compression of the bolt to trailing arm.It is preferred that semi-independent vapour
Car trailing arm also includes left wheel bearing 604 and right wheel bearing 603.Wherein, left wheel bearing 604 is carried on the back with left trailing arm 103
Side from right trailing arm 102 is fixedly connected, and right wheel bearing 603 is consolidated with right trailing arm 102 away from the side of left trailing arm 103
Fixed connection, the setting of left wheel bearing 604 and right wheel bearing 603, is advantageous to semi-independent automobile rear suspension and automotive wheel
Connection.Trailing arm is connected with automobile frame by the connecting hole positioned at trailing arm one end, then again by the other end of trailing arm
It is connected using wheel bearing with automotive wheel, so as to which trailing arm is connected with automobile and fixed, left trailing arm 103 and right dragging
Main stressed member of the arm 102 as semi-independent automobile rear suspension, is provided surely for the other assemblies in semi-independent automobile rear suspension
Fixed installing space and impetus.
In vehicle traveling process, with the fluctuating on road surface between car body and vehicle frame, constantly move between each other, accordingly
Ground, the rear-mounted of automobile also move to some extent.Automobile drives half in the present invention with the continuous undulatory motion in road surface
Independent automobile rear suspension motion, in view of the above-mentioned problems, semi-independent automobile rear suspension is additionally provided with left shock-absorbing cylinder 502 and right shock-absorbing cylinder
501, using left shock-absorbing cylinder 502 and there is shock-absorbing cylinder to lower the vibration of vehicle.One end of left shock-absorbing cylinder 502 and left trailing arm 103
It is fixedly connected towards the side of right trailing arm 102, the other end of left shock-absorbing cylinder 502 is connected with automobile frame, right shock-absorbing cylinder 501 1
End is fixedly connected with the side of right trailing arm 102 towards left trailing arm 103, and the other end and the automobile frame of right shock-absorbing cylinder 501 connect
Connect.Shock-absorbing cylinder has monotubular hyperbar type, bitubular low pressure type and bitubular oil pressure-type structure, and piston like motion realizes flexible side
The connection of formula, rear bitubular oil pressure type is used in the present embodiment, is designed using hydraulic structure, can bear larger external action
Power, play preferable support effect.
Preferably, semi-independent automobile rear suspension also includes left cover for seat 602, the left damping spring matched with left cover for seat 602
605th, right cover for seat 601 and the right damping spring 606 matched with right cover for seat 601.Left cover for seat 602 and left trailing arm 103 are towards the right side
The side of trailing arm 102 is fixedly connected, and right damping spring 606 is fixed with right trailing arm 102 towards the side of left trailing arm 103 to be connected
Connect.Damping spring is directly installed in cover for seat, can take out damping spring changed if necessary, so as to reduce semi-independent vapour
The maintenance difficulty of car rear-mounted.
The cooperation of damping spring and shock-absorbing cylinder so that can be kept between vehicle frame and semi-independent automobile rear suspension it is certain away from
From, while buffering, slowing down vibration are may also function as, prevent from colliding between vehicle frame and semi-independent automobile rear suspension.When automobile with
When road surface fluctuating, there is trend close to each other or remote, now damping bullet between car body and semi-independent automobile rear suspension
Spring and shock-absorbing cylinder can play a role in different states, so as to mitigate jolting and rocking for automobile significantly.When car body and semi-independent
When automobile is close to each other, damping spring support vehicle frame, by compressing the active force of absorption pressure, then gradually return to vehicle frame
Original position；Correspondingly, when car body and semi-independent automobile are separated from each other, because the both ends of shock-absorbing cylinder respectively with connecting between the two
Connect, then shock-absorbing cylinder can hinder to separate between the two, limit moving displacement and track.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (7)
- A kind of 1. semi-independent automobile rear suspension, it is characterised in that including：Left trailing arm, right trailing arm, crossbeam and flexible connection Part, the both ends of the crossbeam are connected by an active connection and the left trailing arm, the right trailing arm activity respectively Connect；The active connection includes left universal joint, the corresponding combination of right universal joint and left bulb bearing and the left bulb bearing The left axle bearing sleeve of matching, right bulb bearing and with the right axle bearing sleeve of the right bulb bearing matching it is corresponding combine in it is any It is a kind of；Also include：The sway bar of left connecting rod, right connecting rod and U-shaped structure, the sway bar include mobile jib, left branching rod with And right pole, the both ends of the mobile jib respectively with stating left branching rod, right pole is connected, the left connecting rod is connected to the left dragging Arm deviates from the side of the right trailing arm, and the right connecting rod is connected to one that the right trailing arm deviates from the left trailing arm Side, the one end of the left branching rod away from the mobile jib are slidably connected with the left connecting rod, and the right pole is away from the mobile jib One end be slidably connected with the right connecting rod；The left branching rod, the right pole are serpentine configuration；Also include：Left shock-absorbing Cylinder and right shock-absorbing cylinder, one end of the left shock-absorbing cylinder are fixedly connected with the side of the left trailing arm towards the right trailing arm, The other end of the left shock-absorbing cylinder is connected with automobile frame, and described right shock-absorbing cylinder one end is dragged with the right trailing arm towards the left side The side for dragging arm is fixedly connected, and the other end of the right shock-absorbing cylinder is connected with automobile frame.
- 2. semi-independent automobile rear suspension according to claim 1, it is characterised in that one end of the crossbeam passes through the left side Universal joint is connected with the left trailing arm, and the other end of the crossbeam is connected by the right universal joint with the right trailing arm.
- 3. semi-independent automobile rear suspension according to claim 1, it is characterised in that the left bearing set is embedded at the left side Trailing arm, the left bulb bearing are connected with the left axle bearing sleeve, and the right bearing set is embedded at the right trailing arm, the right side Bulb bearing is connected with the right axle bearing sleeve.
- 4. semi-independent automobile rear suspension according to claim 1, it is characterised in that also include：Left wheel bearing and right car Wheel bearing, the left wheel bearing are fixedly connected with the left trailing arm away from the side of the right trailing arm, the right wheel Bearing is fixedly connected with the right trailing arm away from the side of the left trailing arm.
- 5. semi-independent automobile rear suspension according to claim 4, it is characterised in that the left trailing arm is away from the left car One end of wheel bearing is provided with left connecting hole, and the left trailing arm is connected by the left connecting hole with automobile frame, the right side The one end of trailing arm away from the right wheel bearing is provided with right connecting hole, and the right trailing arm passes through the right connecting hole and vapour Vehicle carriage connects.
- 6. semi-independent automobile rear suspension according to claim 5, it is characterised in that the axis of the left connecting hole with it is described Angle between the axis of right connecting hole towards the crossbeam is more than 90 °.
- 7. the semi-independent automobile rear suspension according to claim 1 or 6, it is characterised in that also include：Left cover for seat, with it is described Left damping spring, right cover for seat and the right damping spring matched with the right cover for seat of left cover for seat matching, set in the left cover for seat The left seat groove of cylinder is put, the right seat groove of cylinder, the left cover for seat and the left trailing arm are set in the right cover for seat It is fixedly connected towards the side of the right trailing arm, the left damping spring is movably set in the left seat groove, the right side Cover for seat is fixedly connected with the side of the right trailing arm towards the left trailing arm, and the right damping spring is movably set in described In right seat groove.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510542841.XA CN105034743B (en) | 2015-08-28 | 2015-08-28 | Semi-independent automobile rear suspension |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510542841.XA CN105034743B (en) | 2015-08-28 | 2015-08-28 | Semi-independent automobile rear suspension |
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| CN105034743A CN105034743A (en) | 2015-11-11 |
| CN105034743B true CN105034743B (en) | 2017-11-10 |
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| CN201510542841.XA Expired - Fee Related CN105034743B (en) | 2015-08-28 | 2015-08-28 | Semi-independent automobile rear suspension |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP3224173U (en) * | 2016-12-13 | 2019-12-05 | 祥發金屬工業股▲分▼有限公司 | Zero shear force cross shaft for motorcycle |
| CN108973569A (en) * | 2018-08-07 | 2018-12-11 | 苏州博众机器人有限公司 | A kind of mobile chassis and service robot |
| CN112158044A (en) * | 2020-09-11 | 2021-01-01 | 安军 | Independent suspension |
| CN117922210B (en) * | 2024-03-20 | 2024-06-18 | 宁波可挺汽车零部件有限公司 | Rear suspension dragging arm fixing device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1630134C3 (en) * | 1967-07-12 | 1981-02-12 | Bayerische Motoren Werke Ag, 8000 Muenchen | Wheel suspension, in particular for the rear wheels of motor vehicles |
| FR2805776B1 (en) * | 2000-03-02 | 2003-06-27 | Michelin & Cie | FLEXIBLE AXLE FOR A MOTOR VEHICLE WITH IMPROVED ANTI-ROLL DEVICE |
| DE102006033755A1 (en) * | 2006-07-21 | 2008-01-24 | GM Global Technology Operations, Inc., Detroit | Twist-beam axle with additional Watt linkage |
| US20110101630A1 (en) * | 2009-11-04 | 2011-05-05 | Tadashi Sakai | Bend shape for anti-roll bar |
| JP5435148B2 (en) * | 2010-06-30 | 2014-03-05 | マツダ株式会社 | Vehicle suspension system |
| CN203854455U (en) * | 2014-05-30 | 2014-10-01 | 东风柳州汽车有限公司 | Rear axle twisted beam assembly |
| CN205202658U (en) * | 2015-08-28 | 2016-05-04 | 李海龙 | Half independent rear overhang is hung |
-
2015
- 2015-08-28 CN CN201510542841.XA patent/CN105034743B/en not_active Expired - Fee Related
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| CN105034743A (en) | 2015-11-11 |
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